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Debt (Schedule of Long-term Debt) (Details) $ in Thousands, € in Millions, CAD in Millions	Apr. 01, 2017 USD ($)	Apr. 01, 2017 CAD	Apr. 01, 2017 EUR (€)	Dec. 31, 2016 USD ($)	Jun. 03, 2015	Jan. 02, 2014
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 1,752,461			$ 1,750,943
Current portion of long-term debt	24,965			23,247
Long-term debt, net of current portion	1,727,496			1,727,696
Capital lease obligations, current		CAD 1.2	€ 0.3
Capital lease obligations, noncurrent		CAD 1.1	€ 0.2
Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	119,835			119,020
Long-term Debt, Gross	120,859			120,103
Unamortized Debt Issuance Expense	(1,024)			(1,083)
Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	576,076			577,202
Long-term Debt, Gross	582,000			583,500
Unamortized Debt Issuance Expense	(5,924)			(6,298)
Senior Notes [Member] \| Senior Notes 5.375% Due 2022 [Member]
Debt Instrument [Line Items]
Long-term Debt	492,667			492,333
Long-term Debt, Gross	500,000			500,000
Unamortized Debt Issuance Expense	$ (7,333)			$ (7,667)
Stated interest rate						5.375%
Debt instrument, interest rate, effective percentage	5.72%	5.72%	5.72%	5.72%
Senior Notes [Member] \| Senior Notes 4.75% Due 2022 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 541,639			$ 534,884
Long-term Debt, Gross	550,329			543,840
Unamortized Debt Issuance Expense	$ (8,690)			$ (8,956)
Line of credit outstanding \| €			€ 515.0
Stated interest rate					4.75%
Debt instrument, interest rate, effective percentage	5.10%	5.10%	5.10%	5.10%
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 22,244			$ 22,224
Letter of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit outstanding	26,300
Revolving Credit Facility [Member] \| Line of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	0			5,280
Canada, Dollars \| Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit outstanding	77,600	CAD 103.6		76,900
Euro Member Countries, Euro \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	0			$ 5,300
U.S. dollar \| Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit outstanding	43,300
U.S. dollar \| Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit outstanding	577,000
Base Rate [Member] \| U.S. dollar \| Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit outstanding	$ 5,000